| Areas | Sites | Annual Mean N02 ug/m3 |
|||
2004 |
2005 |
2006 |
2007 |
||
| Abbeyfield Park House | 25 |
25 |
24 |
25 |
|
| Burngreave Road | 34 |
34 |
30 |
41 |
|
| Scott Road | 29 |
28 |
28 |
30 |
|
| Firshill School, Barnsley Road | 29 |
28 |
30 |
31 |
|
| Barnsley Road | 34 |
35 |
33 |
39 |
|
The above figures are bias adjusted.